• 给定分割,给出可以系统状态空间结构导致这种结构的座标变换

    The state space structure of a system which can be block decoupled is obtained with the help of the coordinate transformation.

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  • 瞄准的核心部件透镜傅里叶变换位相全息全息光束变换器组成全息光学元件

    The critical part of this sight is a holographic optical elements combined with a lensless Fourier transform hologram and a holographic beam transformer.

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  • 中子伴随通量方程变换处理以后,利用格林函数原理求解中子伴随通量,以此代替过去采用最多的有限差分法。

    A coarse mesh method, in which the theory of nodal Green's function method is adopted, is applied to get the adjoint neutron flux, after a transformation of adjoint flux equations has been made.

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  • 运动非常激烈时,则首先采用变换然后再方法进行匹配搜索,减少大量复杂运算量

    If the movement is drastic, adopt the wavelet transformation first, then use this method to search block match, which can reduce a great deal of complicated calculating.

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  • 该文根据离散余弦变换(DCT)量化运算特点提出了一种新的用于比特视频编码的全零预先判别方法

    A new method for predetermination of all-zero blocks in low rate video coding is proposed, which is based on characters of discrete cosine transform (DCT) and quantization.

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  • 编码参考编码和高维变换(小波)编码三类I BR压缩系统照片集图像数据进行压缩

    The image data of the photo set was compressed with IBR compression algorithms such as the block coder, the reference coder and multidimensional wavelet transform.

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  • 然后利用势流变换建立功能方法的基本构造采用人工智能技术生成功能方法树,产生多方案评价

    Then, functional means tree was produced by effort-flow transforming operation, and multi-solution production and evaluation were utilized by artificial intelligent technique.

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  • 硬件原型包含差形成重建变换量化全过程,其可以构成DSP协处理器用于完成H。 264实时解码。

    The hardware prototype is composed of the whole processes from obtaining residual error to Macro-Block reconstruction, and it can be used as a co-processor of DSP to fulfill H. 264 real-timing CODEC.

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  • 提出一种基于小波变换匹配运动估计搜索的算法模拟实验表明,利用算法可获得一般运动匹配方法大的峰值信噪比,具有更好的性能复杂度比。

    The authors present a new algorithm for block-matching motion estimation based on wavelet transform. The simulation shows that this algorithm has better PSNR and performance-to-complexity ratio.

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  • 算法增加了滤波变换长度适应特性接近人耳滤波特性。

    The proposed coding algorithm improves the adaptability of the filtering transform block length, the filtering properties produced by which are more analogous to that of humans' ears.

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  • 尽量减少时钟消耗前提下,此解码器可以解码每个变换变换系数的熵编码码将结果按照扫描顺序并行输出

    While minimizing the use of clock cycles, it could decode the coded stream of transform coefficients in each block and output the decoded coefficients in zigzag scanning order.

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  • 量化后仿射变换t构成图像编码

    Quantized affine transformation t constitutes the fractal block coding of the image block.

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  • 检索邻域几个关键变换的并集。

    The neighborhood these algorithms search on, is a union of transforms of different critical blocks.

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  • 比特时,基于离散余弦变换(BDCT)的图像压缩方法常常引起效应。

    At low bit rates, the block Discrete Cosine Transform (BDCT) compression methods often give rise to blocking artifacts.

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  • 提出构造择优量化方法一个固定尺寸的离散余弦变换DCT)中,方法可产生优化的率失真特性。

    The present paper presents a new method for constructing optimal quantisation tables. The method produces optimal rate-distortion performance in a fixed block size DCT.

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  • 根据整数DCT变换量化特性通过提前判定全零系数终止没有意义运动搜索过程

    According to the characteristics of integer discrete cosine transformation(DCT) and quantization, the coefficient-all-zero block was determined in advance to terminate meaningless search.

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  • 离散余弦变换比特时其恢复图像边界上会出现明显可见效应,从而降低了图像的视觉质量

    The block-Based Discrete Cosine Transform (BDCT) suffers from visible blocking artifacts between adjacent image blocks at low bit rates, which reduces the image visual quality.

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  • 通过状态变换和去耦合处理将系统转换为能控标准型,它值域空间子系统稳定空间子系统组成。

    The system was converted to the block controllable form consisting of two parts, one was the range space subsystem and the other was the stable null space subsystem.

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  • 介绍了利用劈形楔变换,达到纵波探头测量材料横波衰减系数方法

    A method is presented for measuring the shear-wave attenuation of solids by using propagation of ultrasonic wave in a wedge block.

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  • 去除效应交叠正交变换进行深入研究给出交叠正交变换理论分析进行实验仿真。

    The detail analysis of lapped orthogonal transform, which can reduce block effect, is presented. Theory analysis of lapped orthogonal transform is given, and the experiment is done.

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  • 根据运动估计的残差图像的DCT变换交流系数统计分布规律,推导出了一种匹配运动估计的匹配准则

    In this paper, we propose a matching criterion for block-matching motion estimation based on the statistic distribution of DCT AC coefficients.

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  • 针对此问题,本文改进搜索方式逐个关键搜索,找到合适变换放弃搜索剩余关键

    As for the problem, the search method was improved to a manner that search block-by-block and quit once a proper transform was found leaving the rest of the blocks unsearched.

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  • IDCT变换蝶形算法采用阻塞方式实现实现级的流水处理;

    Non-blocking assignment method was used to implement the butterfly algorithm of IDCT transform, which is pipelined with blocks.

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  • 通过图像相似DCT变换少数低频系数比较确定匹配的相似

    This method compares the few low frequency DCT transform coefficients of the range blocks and domain blocks to find out the matched domain block.

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  • 算法只需要通过直接抽取MPEG视频流中的B帧、P帧中的类型信息,对其进行计算就可以检测出视频中存在的镜头边界从而场景变换进行精确定位

    The proposed method can detect scene boundaries through using various macroblock type of B-frame and P-frame in MPEG video flow in order to realize accurate scene change positioning.

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  • 介绍了一种普通开关电源专用集成电路控制作为控制电路升压变换作为功率电路的功率因数校正电路。

    Describes a power factor correction (PFC) circuit, in which the power circuit is a boost converter controlled general switch mode controller IC.

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  • 本文首次水印算法采用了LOT以代替传统离散余弦变换(DCT),从而有效地避免了DCT的效应

    LOT is first adopted in the watermarking algorithm instead of DCT, which greatly reduces the blocking effects.

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  • 即使同一田野上,看到时时变换图画——图画过去不曾过,今后不会看到

    Even in the same field, one can behold the changing beauty with every hour — a picture which is never seen before and shall never be seen again.

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  • 提出一种基于小波变换大小可变多分辨率运动估计方法(VBMRME),减少图象时间冗余

    A scheme of variable block size Multiresolution Motion Estimation (VBMRME) is presented in this paper, which reduces temporal redundancy between pictures of the image sequence.

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  • 提出一种基于小波变换大小可变多分辨率运动估计方法(VBMRME),减少图象时间冗余

    A scheme of variable block size Multiresolution Motion Estimation (VBMRME) is presented in this paper, which reduces temporal redundancy between pictures of the image sequence.

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